Re: [PATCH v2 2/2] quartz/tests: Test video window parent's WM_DESTROY notification.

[Dmitry Timoshkov]

Gabriel Ivăncescu  wrote:
> -
>    /* The WM_DESTROY notification is not sent to the owner, even if the style is off */
> -
>    hr = IFilterGraph2_QueryInterface(graph, &IID_IVideoWindow, (void**)&videownd);
> -
>    ok(hr == S_OK, "Got hr %#x.\n", hr);
> -
>    hr = IVideoWindow_put_Owner(videownd, (OAHWND)parent);
> -
>    ok(hr == S_OK, "Got hr %#x.\n", hr);
> -
>    IVideoWindow_Release(videownd);
> -
>    ok(!(GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_NOPARENTNOTIFY), "Window has WS_EX_NOPARENTNOTIFY.\n");
> }
>    else
>        skip("Could not find renderer window.\n");
>
> @@ -4285,6 +4324,9 @@ static void test_window_threading(void)
>      ok(!ref, "Got outstanding refcount %d.\n", ref);
>      ret = DeleteFileW(filename);
>      ok(ret, "Failed to delete file, error %u.\n", GetLastError());
> -
> - DestroyWindow(parent);
> - UnregisterClassA("TestParent", cls.hInstance);
>
> }

It would be also helpful to test if the window gets subclassed, setting
WS_EX_NOPARENTNOTIFY on WM_CLOSE doesn't look like a plausible explanation,
it's rather a hack that seems to work. Probably it's better to put some
effort to figuring out what is going on and how this works on Windows.